Push switch



FIG. 1 is a front, top, perspective view of our new design for a push switch;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front, elevational view thereof, the rear elevational view being a mirror image; and,

FIG. 5 is a left-side, elevational view thereof, the right-side elevational view being a mirror image.

The broken line showing in the figure drawings is included for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a push switch, as shown and described. 